1.4 Rewriting Equations and Formulas

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1.4 Rewriting Equations and Formulas
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Solving an equation with more than one variable.
Solve 7x 3y 8 for y
-7x -7x Subtract
7x from each side
-3y 8 7x
Divide each side by -3
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Given the equation x xy 1Find the value of y
when x -1
x xy 1
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Solve the equation for
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y -2
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Solve the equation for the indicated variable
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Solve the equation for the indicated variable
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Solve the equation for the indicated variable
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Solve the equation for the indicated variable
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Assignment 1.4